Year % of total working-age population with advanced education 1992 88.247 1993 86.989 1994 87.204 1995 86.969 1996 85.028 1997 83.29 1998 86.32 1999 88.154 2000 87.747 2001 87.108 2002 87.605 2003 87.394 2004 86.14 2005 86.334 2006 84.559 2007 85.391 2008 85.438 2009 83.888 2010 83.004 2011 81.882 2012 80.518 2013 79.545 2014 81.888 2015 82.351 2016 82.946 2017 82.298 2018 83.434 2019 83.757 2020 82.472 2021 82.996 2022 83.211 2023 83.59